Complete these preparation steps before you start publishing or subscribing to data streams in DataHub.
Before you can use DataHub, you need an Alibaba Cloud account and at least one project with a topic.
Procedures
Step 1: Create an Alibaba Cloud account.
Step 2: Activate the DataHub service.
Step 3: Create a project and a topic.
After you complete these steps, you can start writing data to your topic or reading data from it.